Hi Steveoo , I am new here and have a LP53 date 1957 coming soon and would have been reading what you have accomplished with you updating modifications. Very much want to do the same to mine , was a Gunsmith years ago and shifted into Watchmaking about 15 years now..very rewarding bringing mechanisms/machines back to operation again . Have recently entered the pellet-BB world -couple of months - and am really enjoying all the vintage pieces I have discovered..1935 to 1967 so far..mostly the 'repeater' format...challenge.. I will have the LP53 soon ( few days) and will see how it shoots and will come back here . Thanks , Randy1911a1